Comparison

Sezzy Timer vs Train With Cass

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Sezzy Timer

This app provides pre-formatted workout timers for various fitness routines, including HIIT and Pilates. It offers visual and auditory cues to guide users through exercises and rest periods, allowing for efficient and motivating workouts. Users can also create custom timers and listen to music simultaneously.

Highlights
  • Eleven unique pre-formatted timers
  • Custom timer creation
  • Visual and auditory cues
  • Background operation with music
  • Pause and play functionality
  • Next exercise display
Features
Read full description

The perfect pre-formatted timer app that allows you to get straight into your workout with the click of a button! Whether you're smashing out a HIIT workout, pilates or your own custom circuit, the Sezzy Timer has ELEVEN unique timers to use so your workouts are always efficient, fun and on track! Each timer uses visual and auditory cues to ensure you know what exercise you're up to! You can also listen to your tunes simultaneously as the timer to stay in the zone and maintain motivation. Timers to chose from: 1. Sweaty Shredder 2. Toning Power 3. 10 Minute Blaster 4. 15 Minute Burner 5. AMRAP 6. Custom Timer 7. 30 Min Pilates 8. HIIT Pilates 9. 45/15 Sweat 10. 10 Min Movement 11. Express Cardio All Timers Include: - Visual cues including rest, sets, circuit, exercises, supersets or rounds (depending what kind of workout you’re doing) - Auditory cues allowing you to step away from your phone and complete the workout purely through listening. Sezzy Timer specifies what round, exercise, set or rest period you’re up to. It will also help count you down until your next movement - Works in the background of your phone allowing you to listen to music and smash through your workout, while hearing cues from the timer app - Custom option to create your own personalised workout - Pause, and play option - Display of what is coming up next in your workout to better prepare your body. The Sezzy Timer app is simple, quick and easy to use and requires little to no preparation. Setting up timers and organising rounds, exercises and sets can often be confusing and tricky, so I’m here to take the stress out of your workout. Follow my cues and you’re on your way to a successful, sweaty, soul fulfilling workout!

About

Train With Cass

Access structured training programs and on-demand sessions designed to improve your fitness and master complex movements. Features include video demonstrations, exercise substitutions, and progress tracking to help you achieve your performance goals.

Highlights
  • Structured progressive training programs
  • On-demand workout sessions
  • Exercise video demonstrations
  • Weekly calendar planner
  • Exercise substitutions
  • Weight tracking for progress
Features
Read full description

Train with confidence in the gym with Train With Cass (TWC). Head Coach and Founder, Cass Olholm has created structured progressive training programs to help you achieve your performance-based fitness goals.  Choose a style of training that you enjoy, TWC has programs including: • Strength • Strength & Conditioning • HIIT (High-intensity interval training) All TWC programs have been designed to help you: • Train more efficiently • Improve cardiovascular capacity • Improve mobility and range of movement; and  • Become proficient at complex movements such as Olympic lifts. TWC has on demand sessions so you can add variety to your training, outside of your structured programming. On demand training categories include: • Mobility • High Intensity • Strength • Bodyweight Only • Express / Finishers • WODs • Partnered WODs TWC’s features make it easy for you to stay accountable and incrementally improve your training skills to ensure you are always making progress towards your goals. Features include: • Easy to follow exercise video demonstrations to ensure you have correct form • Written exercise instructions so you can learn the correct way to execute movements • Weekly calendar planner to schedule your workouts • Exercise substitutions to tailor exercises to your fitness capability (progressions, regressions and bodyweight only options) • Library of long-form video tutorials to help you gain new training skills and knowledge • Ability to track the weights you are lifting so you can keep track of your progress All new members have access to a 14-day FREE trial. Cass Olholm created Train With Cass because she wanted to provide an inclusive platform to empower, educate and inspire anyone through fitness. Cass has seen firsthand what Strength & Conditioning training can do and she wants more people to have the opportunity to experience it. Start your journey with TWC today! Subscriptions can be managed and auto-renewal turned off in Account Settings in iTunes after purchase. Once purchased, refunds will not be provided for any unused portion of the term. Read our full Terms and conditions & Privacy Policy: https://trainwithcass.com/terms-of-use/ https://trainwithcass.com/privacy-policy/ For more details, we invite you to read the Terms and Conditions available at https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Sezzy Timer4 screens
Train With Cass4 screens

Verdict

The call

The clearest difference is price: Train With Cass at Free against Sezzy Timer's $1.99. Train With Cass also leads on update cadence (monthly vs every 3 months). Sezzy Timer's advantage is in-app purchases (none vs 2) and rating (3.9 vs 3.6). On ads and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Train With Cass is free to download; Sezzy Timer costs $1.99 up front. Train With Cass sells 2 in-app purchases, starting at $16.99 per month. Sezzy Timer asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Sezzy Timer holds the better App Store score, 3.9 against 3.6. That said, the two scores are not equally well evidenced: Sezzy Timer has 100 ratings behind it against 13, so its average is the more settled of the two. Written reviews point the same way: 50% of Sezzy Timer's written reviews are positive against 38% of Train With Cass's.

UpkeepUpdate frequency

Sezzy Timer ships an update every 3 months, Train With Cass monthly. The most recent releases landed on September 23, 2026 and September 24, 2026 respectively.

Scorecard9 real differences · 2 level
Sezzy Timer versus Train With Cass: the parameters behind the verdict, then further details
ParameterSezzy TimerTrain With Cass
Price$1.99Free — better
Rating3.9 (100 ratings) — better3.6 (13 ratings)
Positive reviews50.0% of reviews — better37.5% of reviews
Number of ratings100 — better13
Update frequencyEvery 3 monthsMonthly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFreemium
Best chart rank#59 — better—
DevicesiPhone, iPodiPhone, iPod
Requires iOS12.0 — better15.0
Further details — not scored
Size22 MB50 MB
Age rating4+4+
DeveloperSarah's Day Pty LimitedTrain With Us Pty Ltd

Customer experience

Sezzy Timer

All ratings100 ratings
Positive66.0%
Neutral14.0%
Negative20.0%
Written reviews106 reviews
Positive50.0%
Neutral18.9%
Negative31.1%

Train With Cass

All ratings13 ratings
Positive46.2%
Neutral38.5%
Negative15.4%
Written reviews16 reviews
Positive37.5%
Neutral18.8%
Negative43.8%

Bugs and requests

Sezzy Timer

Reported bugs

14 issues
  • Timer stops or crashes mid-workout
  • Timer pauses when switching to other apps
  • Timer accuracy issues (runs faster or slower than expected)
  • App crashes when phone screen locks
  • Timer resets if accidentally navigate away
Show 9 more
  • Sarah's voice cuts off mid-announcement
  • Sarah's voice too quiet to hear over music
  • Screen doesn't rotate to landscape mode
  • Custom timer setup is confusing and unclear
  • Timer skips breaks or jumps between sections
  • App freezes or becomes unresponsive
  • Music stops playing when app opens
  • Countdown timer numbers partially hidden
  • Next exercise/round indicators reversed at bottom of screen

Requested features

13 requests
  • Apple Watch app support
  • Add 20-second rest period option
  • Save custom timer settings for reuse
  • Skip/fast-forward button to jump between sets
  • Back button to return to main menu
Show 8 more
  • Display exercise names instead of just numbers
  • Summary screen showing total workout time and circuits completed
  • Progress tracking and calendar logging
  • More rest/workout time increment options
  • Ability to skip rounds if timer glitches
  • Better custom timer UI with clearer instructions
  • Music volume ducking when Sarah speaks
  • Workout total time display for custom timers

Train With Cass

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Sezzy Timer

No in-app purchases

2 purchases

Train With Cass

Subscriptions2
  • TWC Subscription14 Days trial$16.991 Month
  • TWC Subscription14 Days trial$99.991 Year

Questions

Is Sezzy Timer free?
Sezzy Timer costs $1.99, with no in-app purchases.
Is Train With Cass free?
Train With Cass is free to download, with in-app purchases available.
Which has better reviews, Sezzy Timer or Train With Cass?
Sezzy Timer is rated higher. Sezzy Timer averages 3.9 out of 5 from 100 ratings, while Train With Cass averages 3.6 from 13 ratings.
Do Sezzy Timer or Train With Cass have ads?
Neither Sezzy Timer nor Train With Cass shows ads.
Which is updated more often, Sezzy Timer or Train With Cass?
Sezzy Timer ships an update every 3 months, and Train With Cass monthly. Most recently, Sezzy Timer was updated on September 23, 2026 and Train With Cass on September 24, 2026.

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